slagtf.f - Man Page

Synopsis

Functions/Subroutines

subroutine slagtf (N, A, LAMBDA, B, C, TOL, D, IN, INFO)
SLAGTF computes an LU factorization of a matrix T-λI, where T is a general tridiagonal matrix, and λ a scalar, using partial pivoting with row interchanges.

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Info

Thu Apr 1 2021 Version 3.9.1 LAPACK